The iPhone Dev Team released updated version of PwnageTool for Mac users and Redsn0w for both Mac and Windows users to Jailbreak Iphone 3g running iPhone OS 3.0.

Here is our step-by-step guide to jailbreak iPhone 3G running iPhone OS 3.0 using Redsn0w for Windows users. We will publish one for Mac users shortly.

An important preparatory step before jailbreaking your iPhone 3G is to take a backup of your iPhone. Please refer to this post for more details.

As with any hack, please proceed with caution as jailbreaking your iPhone could void it’s warranty.

iPhone OS 3.0 software update is officially released and you can upgrade your iPhone to firmware 3.0. iPod Touch users can use this guide to update to OS 3.0 for free. Here is iPhone OS 3.0 features list and it’s worth to upgrading to OS 3.0.

iPhone Dev team has is almost ready with QuickPWN & Pwnagetool for jailbreaking iPhone 3G OS 3.0 as well as ultrasn0w tool to soft unlock iPhone 3G 3.0 is getting ready. Soon QuickPWN for iPhone OS 3.0 will release and you can jailbreak your iPhone 3G firmware 3.0.

We have prepared this guide based on our iPhone OS 2.2.1 Jailbreak Guide, please keep in mind that QuickPWN is not yet released and we will update this post with download link once it’s available for download.

Use PwnageTool 3.0 to Jailbreak iPhone 3G OS 3.0 if you want to preserve your Baseband

Note:

1. For easier understanding we are assuming “QuickPWN 3.0″ is the tool for jailbreaking iPhone 3G/2G OS 3.0.

2. We assume you have installed iTunes 8.2 if not then you must install iTunes 8.2

How to Jailbreak iPhone 3G 3.0 with QuickPWN 3.0 on Windows & Mac

1. Download iPhone 3G 3.0 software update and save it on your computer (Preferably create a folder QuickPWN 3.0 and save in that folder (This is just for simplicity)

2. Download QuickPWN 3.0 latest iPhone firmware 3.0 jailbreak tool.

3. Unzip QuickPWN 3.0 in a folder created on 1st step.

4. Connect your iPhone to your commuter.

5. iTunes should detect your iPhone

6. Now you can either update iPhone 3G to 3.0 or Restore Firmware 3.0 ipsw. Its better to restore to have fresh & clean firmware installation. (backup your iPhone before proceeding for restore)

7. Once you have finished with Restoring/Updating iPhone to OS 3.0 software update launch QuickPWN 3.0 downloaded in step 2.

8. QuickPWN 3.0 will automatically detect your iPhone, now browser and locate iPhone OS 3.0 software update downloaded in step 1.

9. QuickPWN 3.0 will display a green checkmark if the firmware is correct.

10. Using QuickPWN 3.0 install Cydia Installer on your iPhone3G. Select at least Cydia from menu, then click the blue arrow to continue.

11. QuickPWN 3.0 will prompt “please make sure your device is connected via USB before continuing” click the blue arrow to continue.

12. QuickPwn 3.0 will now automatically put your iPhone into recovery mode. Once it is in recovery mode you will be asked to press following key sequence.

- Hold the Home button for 5 seconds,

- Hold the Home and Power buttons for 10 seconds,

- Then release the Power button while continuing holding the Home button until your iPhone is in DFU mode

13. If you have followed above steps correctly, QuickPWN 3.0 will detect your iPhone in recovery mode and will ask you to “wait while your iPhone is prepared for jailbreaking”.

14 Now wait for QuickPWN 3.0 Message “The pwnage process appears to have completed successfully. Please wait for your device to reboot in its newly modified state”.

15. That’s it you have Successfully Jailbreaked your iPhone 3G 3.0 Firmware

In order to Unlock iPhone 3G 3.0 you must jailbreak your iPhone 3G 3.0 first using above guide.

Please Note :- We will not be responsible for any damaged which may occur to your iPhone, Do it at your own risk